EP0219612A2 - Procédé de traitement d'eau de trempe - Google Patents

Procédé de traitement d'eau de trempe Download PDF

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Publication number
EP0219612A2
EP0219612A2 EP86109359A EP86109359A EP0219612A2 EP 0219612 A2 EP0219612 A2 EP 0219612A2 EP 86109359 A EP86109359 A EP 86109359A EP 86109359 A EP86109359 A EP 86109359A EP 0219612 A2 EP0219612 A2 EP 0219612A2
Authority
EP
European Patent Office
Prior art keywords
pressure
solids
water
quench
separator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86109359A
Other languages
German (de)
English (en)
Other versions
EP0219612A3 (fr
Inventor
Adrian Dipl.-Ing. Brandl
Heinz Jochen Dipl.-Ing. Keller
Herbert Dipl.-Ing. Wehner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Uhde GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Uhde GmbH filed Critical Uhde GmbH
Publication of EP0219612A2 publication Critical patent/EP0219612A2/fr
Publication of EP0219612A3 publication Critical patent/EP0219612A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02—Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/32—Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/169—Integration of gasification processes with another plant or parts within the plant with water treatments

Definitions

  • the invention is directed to a method for the treatment of cleaning or quenching water obtained in the pressure gasification of solid or liquid fuels.
  • the pressure gasification is carried out at pressures well above 5 bar, usually at 10 to 80 bar, and depending on the gasification process and downstream cooling, a raw gas with temperatures between 2000 ° and 200 ° C is generated, the cooling and relaxation steps for the solids-laden quench water mean a very large expenditure in terms of apparatus and energy, since very large amounts of water laden with solids have to be treated. Since the solids must be carried through all parts of the plant until the solids are separated, this means at the same time a reduction in the functionality and high wear of these parts of the plant.
  • the object of the invention is to provide a solution with which in particular the cooling and expansion of large quantities of quench water for solids separation can be dispensed with.
  • this object is achieved according to the invention in that the quench chamber which is withdrawn from the quench chamber and is loaded with solids is subjected to a pressure increase and is fed to a pressure / solids separator at a temperature which is essentially the same as the quench chamber temperature.
  • the solids can be separated off immediately after leaving the quench chamber at high pressure.
  • the pump that sucks the loaded quench water usually provides for the pressure increase.
  • the pressure increase has the further advantage that the solids separation can be carried out more easily.
  • the comparatively high temperature with temperatures between 120 ° and 260 ° C prevailing in the quench chamber, makes the separation even easier, since the water density decreases with increasing temperature, while the solids density remains practically the same.
  • the invention also provides that a portion of the water after cooling and expansion to ambient conditions is fed to a downstream solid separator.
  • the amounts of water treated in this way can be seen with low solids content, so that the parts of the system affected by them, such as the relief valves and the like. Like., sustainably protected.
  • the heat exchangers provided for cooling for example, no longer clog up. Like. more.
  • a further design feature of the invention consists in that the solids accumulating in the pressure solids separator are drawn off discontinuously via a lock or continuously via a pressure relief valve.
  • the invention also provides that overflow water is led from the quench chamber into the downstream gas waxes and from there is at least partially fed to the pressure / solids separator via a pressure increase.
  • the hot raw gas is introduced into the quench chamber 2 via the line 1.
  • Quench water is injected via line 3, as symbolically represented in the figure.
  • the quench water collecting in the sump is loaded with solids and is fed via a line 4 to a pressure booster and feed pump 5, which feeds the solids-laden quench water via a further line 6 to a pressure-solids separator 7.
  • the clear run is forwarded via a line 8 from the pressure solids separator 7, the clear run 8 being divided into the feed line 3 to the quench chamber 2 and a further line 9 for a partial flow.
  • the partial flow discharged via line 9 is first cooled, for example in a heat exchanger 10, then expanded via a corresponding fitting 11 and cooled again via a heat exchanger 12 and finally a fine solids separator 13 supplied.
  • the water then freed from the solid is withdrawn via line 14 from the system.
  • the solid is fed, for example as a suspension, to a discharge lock 16 via a line 15.
  • the ash (slag) can then be disposed of again via an ash discharge device 17.
  • another line 19 is shown, which leads from the quench chamber 2 to a gas scrubber 20.
  • the cooled gas from the quench chamber 2 is fed to the gas scrubber 20 via this line 19.
  • Treated fresh water is supplied via a further line 21.
  • Further process condensate can also be introduced into the process, for example via line 22.
  • the washed gas leaves the process via line 23.
  • Solids-laden waste water is removed from the gas scrubber via line 24 and fed to a pump 25, which brings it to the pressure level of the pressure-solid separator 7 and feeds it to line 6 via a line 26.
  • the density of water decreases with increasing temperatures.
  • d (40 ° C) 992kg / m3
  • d (120 ° C) 942 kg / m3
  • d ( 260 ° C) 784 kg / m3.
  • the hot raw gas is fed to the quench chamber 2 via line 1 and 179 t / h of quench water via line 3.
  • the raw gas is cooled and saturated with water vapor.
  • 80 t / h of the water not evaporated and loaded with approx. 336 kg / h of solids are withdrawn via line 4 from the quench chamber 2 by means of the pump 5 and fed to a hydrocyclone 7.
  • the temperature of the stream in line 4 is approximately 248 ° C.
  • the pump 5 increases the pressure by 5 to 8 bar in order to cover the pressure loss caused by the pressure separator, the quench water inlet device, the fittings and pipelines.
  • the quench water flow in line 6 via line 26 is 138.2 t / h water supplied at a temperature of about 240 ° C and a similar pressure level. This make-up water is loaded with about 200 kg / h of solid matter from the gas scrubber 20.
  • the clear run (line 8) is divided into 179 t / h quench water in line 3 and 38 t / h waste water in line 9. This clear run contains about 200 ppm solids.
  • the hot raw gas and 179 t / h of quench water are fed to the quench chamber 2.
  • the raw gas is cooled and saturated with water vapor.
  • the clear run is divided into 23 t / h waste water and 179 kg / h quench water.
  • the clear run contains approximately 200 ppm solids.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cyclones (AREA)
  • Industrial Gases (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Physical Water Treatments (AREA)
EP86109359A 1985-10-22 1986-07-09 Procédé de traitement d'eau de trempe Withdrawn EP0219612A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853537493 DE3537493A1 (de) 1985-10-22 1985-10-22 Verfahren zur aufbereitung von quenchwasser
DE3537493 1985-10-22

Publications (2)

Publication Number Publication Date
EP0219612A2 true EP0219612A2 (fr) 1987-04-29
EP0219612A3 EP0219612A3 (fr) 1987-07-29

Family

ID=6284136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86109359A Withdrawn EP0219612A3 (fr) 1985-10-22 1986-07-09 Procédé de traitement d'eau de trempe

Country Status (6)

Country Link
US (1) US4752308A (fr)
EP (1) EP0219612A3 (fr)
JP (1) JPS62100591A (fr)
AU (1) AU589657B2 (fr)
DE (1) DE3537493A1 (fr)
ZA (1) ZA865282B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055130A3 (fr) * 2007-10-23 2009-06-04 Gen Electric Méthode de retrait de solides en suspension d'un flux de processus de gazéification
WO2009064529A3 (fr) * 2007-11-12 2009-07-02 Gen Electric Système d'élimination de solides à faible température pour gazéification
WO2011009547A1 (fr) * 2009-07-22 2011-01-27 Uhde Gmbh Traitement en continu d’eau de suie
DE102010040493A1 (de) * 2010-09-09 2012-03-15 Siemens Aktiengesellschaft Kreislaufführung von Prozesswässern bei der Flugstromvergasung unter Verfahrensdruck mit Hydrozykloneinheit
EP2502883A1 (fr) * 2011-03-23 2012-09-26 General Electric Company Systèmes de traitement des eaux usées et procédés
WO2013075776A1 (fr) * 2011-11-21 2013-05-30 Thyssenkrupp Uhde Gmbh Procédé et dispositif d'épuration des eaux usées d'une tour d'extinction du coke avec un temps de séjour en bassin de collecte réduit

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124277A1 (de) * 1991-07-22 1993-01-28 Linde Ag Verfahren zur dekontamination von verunreinigten boeden
US6964696B2 (en) * 2002-12-04 2005-11-15 Texaco, Inc. Method and apparatus for treating synthesis gas and recovering a clean liquid condensate
US20060165582A1 (en) * 2005-01-27 2006-07-27 Brooker Donald D Production of synthesis gas
DE102008049579A1 (de) 2008-09-30 2010-04-01 Uhde Gmbh Heißgasreinigung
DE102008059488B3 (de) * 2008-11-28 2010-09-16 Siemens Aktiengesellschaft Einsatz von Prozesskondensaten zur Substitution von deionisiertem Wasser bei der Vergasung mit Vollquench
US20110197510A1 (en) * 2010-02-16 2011-08-18 Boris Nickolaevich Eiteneer Method and apparatus to reactivate carbon solids
CN107750312B (zh) 2015-05-11 2021-06-15 亨德里克森美国有限责任公司 用于重载车辆的具有阻尼特征的空气弹簧
DE202015106840U1 (de) 2015-12-16 2016-01-19 Choren Industrietechnik GmbH Vorrichtung zur Behandlung von Feststoff beladenem Prozessabwasser
US20180050348A1 (en) * 2016-08-19 2018-02-22 Mark Whitney Quench water hydrocyclone
DE102018002651A1 (de) 2018-03-31 2019-10-02 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Aufbereitung von Rußwasser
CN120209895A (zh) * 2023-12-26 2025-06-27 气体产品与化学公司 工艺水处理

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1496384A1 (de) * 1965-12-31 1969-05-14 Projektierungs Konstruktions U Verfahren zur Aushaltung und Beseitigung des Staubes aus dem Rohgas und den Kondensaten bei der Druckvergasung
DE2408222B2 (de) * 1974-02-21 1977-12-08 Gottfried Bischoff Bau kompl. Gasreinigungs- und Wasserrückkühlanlagen KG, 4300 Essen Anlage zur reinigung der gase von industrieoefen zur behandlung von nichteisenmetallschmelzen
US4123502A (en) * 1975-02-06 1978-10-31 Heinz Holter Process for the purification of gas generated in the pressure gasification of coal
GB2025453B (en) * 1978-07-12 1982-07-07 Texaco Development Corp Recovery of ungasified solid fuel particles from suspension in water
JPS5597225A (en) * 1979-01-18 1980-07-24 Mitsubishi Heavy Ind Ltd Treating method of waste liquid in treatment of exhaust gas
US4411670A (en) * 1982-06-07 1983-10-25 Texaco Development Corporation Production of synthesis gas from heavy hydrocarbon fuels containing high metal concentrations

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009055130A3 (fr) * 2007-10-23 2009-06-04 Gen Electric Méthode de retrait de solides en suspension d'un flux de processus de gazéification
US8728328B2 (en) 2007-10-23 2014-05-20 General Electric Company Methods for removing suspended solids from a gasification process stream
WO2009064529A3 (fr) * 2007-11-12 2009-07-02 Gen Electric Système d'élimination de solides à faible température pour gazéification
US7896955B2 (en) 2007-11-12 2011-03-01 General Electric Company Low temperature solids removal system for gasification
WO2011009547A1 (fr) * 2009-07-22 2011-01-27 Uhde Gmbh Traitement en continu d’eau de suie
AU2010275786B2 (en) * 2009-07-22 2014-04-24 Thyssenkrupp Uhde Gmbh Continuous treatment of water containing carbon black
DE102010040493A1 (de) * 2010-09-09 2012-03-15 Siemens Aktiengesellschaft Kreislaufführung von Prozesswässern bei der Flugstromvergasung unter Verfahrensdruck mit Hydrozykloneinheit
EP2502883A1 (fr) * 2011-03-23 2012-09-26 General Electric Company Systèmes de traitement des eaux usées et procédés
US8323382B2 (en) 2011-03-23 2012-12-04 General Electric Company Black water treatment systems and methods
WO2013075776A1 (fr) * 2011-11-21 2013-05-30 Thyssenkrupp Uhde Gmbh Procédé et dispositif d'épuration des eaux usées d'une tour d'extinction du coke avec un temps de séjour en bassin de collecte réduit

Also Published As

Publication number Publication date
EP0219612A3 (fr) 1987-07-29
AU6012386A (en) 1987-04-30
DE3537493A1 (de) 1987-04-23
AU589657B2 (en) 1989-10-19
ZA865282B (en) 1987-03-25
US4752308A (en) 1988-06-21
JPS62100591A (ja) 1987-05-11

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Inventor name: BRANDL, ADRIAN, DIPL.-ING.

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Inventor name: KELLER, HEINZ JOCHEN, DIPL.-ING.